<?hh // strict
/**
 * Copyright (c) 2014, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the "hack" directory of this source tree.
 *
 *
 */

function foo((int, string) $x): void {
  $a = null;
  $b = null;
  tuple($a, $b) = $x;
}
